Home / 382,875,769.20-574,313,653.80-374,372,713.20

Finding the Fourth Proportional to 382,875,769.20, 574,313,653.80 and 374,372,713.20

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Solution

The fourth proportional to 382,875,769.20, 574,313,653.80 and 374,372,713.20 is: 561,559,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,875,769.20 : 574,313,653.80 = 374,372,713.20 : x
  2. Step 2: Convert to fraction form
    382,875,769.20/574,313,653.80 = 374,372,713.20/x
  3. Step 3: Cross multiply
    382,875,769.20x = 574,313,653.80 × 374,372,713.20
  4. Step 4: Simplify right side
    382,875,769.20x = 215,007,360,800,911,456
  5. Step 5: Solve for x
    x = 215,007,360,800,911,456/382,875,769.20
  6. Step 6: Final answer
    x = 561,559,069.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.